Year	current US$
1997	-1388452830.1886792
1998	-1062806943.2684165
1999	-1391142490.3722723
2000	-449731603.1954013
2001	-652010463.2051668
2002	68712533.97136652
2003	71501225.11170135
2004	367881671.89952904
2005	1162103976.854098
2006	1383191677.8787777
2007	1046949694.4945705
2008	1554064300.8795877
2009	537656418.4440715
2010	2282998532.499028
2011	3564752444.739881
2012	6196127684.231693
2013	4180380754.268258
2014	4667866078.686882
2015	3665721815.8819547
2016	3515042482.039071
2017	2970767374.515791
2018	3076168439.9397044
2019	1594086086.1483881
2020	2025419801.9635441
2021	4286201293.8726497
2022	5010241755.712525
2023	7555309634.723387